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Problem
Air compressor does not run
Poor air spray pattern
Water in pattern
313860A
What To Check
(If check is OK, go to next check)
1.
Power/function selector switch
2.
Voltage to compressor below 105 Vac
for 110 - 120 Vac models or below
210 Vac for 240 Vac models.
3.
Loose power connections.
4.
Excessive head pressure
(compressor hums).
5.
Excessive head pressure
(compressor hums).
6.
Fuse. Check replaceable fuse
on compressor control board.
7.
Compressor thermal switch is open.
Ensure ambient temperature is
below 115 °F (46 °C).
8.
Low compressor performance.
1.
Air cap or air manifold air ports
clogged.
2.
.
Air cap worn
3.
Worn spray tip.
1.
Water in air line.
(When check is not OK, refer to this column)
.
Set function selector switch to ON; replace switch.
Try another outlet. Reduce extension cord length
or increase extension cord gauge.
Verify all connections are firm.
Moisture frozen in air supply line.
Wait for air pressure to bleed to zero.
Replace fuse after completing motor inspection,
page 81.
Move sprayer to shaded, cooler area.
Worn compressor; repair compressor with
Compressor Service Kit, page 81.
Soak in solvent to clean.
Replace air cap.
Relieve pressure, page 21. Replace tip. Refer to gun
instruction manual, 313347.
Add Water Separator Kit 257824 to air line.
Basic Troubleshooting
What To Do
45
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